CVE-2020-7731

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2020-7731", "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "dateUpdated": "2024-09-17T03:07:42.489Z", "dateReserved": "2020-01-21T00:00:00.000Z", "datePublished": "2021-04-30T16:10:13.540Z"}, "containers": {"cna": {"title": "Denial of Service (DoS)", "datePublic": "2021-04-30T00:00:00.000Z", "providerMetadata": {"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk", "dateUpdated": "2023-03-10T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "This affects all versions <0.7.0 of package github.com/russellhaering/gosaml2. There is a crash on nil-pointer dereference caused by sending malformed XML signatures."}], "affected": [{"vendor": "n/a", "product": "github.com/russellhaering/gosaml2", "versions": [{"version": "0", "status": "affected", "lessThan": "unspecified", "versionType": "custom"}]}], "references": [{"url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302"}, {"url": "https://github.com/russellhaering/gosaml2/issues/59"}, {"url": "https://github.com/russellhaering/gosaml2/releases/tag/v0.7.0"}], "credits": [{"lang": "en", "value": "Steven Johnstone"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "exploitCodeMaturity": "PROOF_OF_CONCEPT", "remediationLevel": "NOT_DEFINED", "reportConfidence": "NOT_DEFINED", "baseScore": 7.5, "temporalScore": 7.1, "baseSeverity": "HIGH", "temporalSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Denial of Service (DoS)"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:41:01.628Z"}, "title": "CVE Program Container", "references": [{"url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302", "tags": ["x_transferred"]}, {"url": "https://github.com/russellhaering/gosaml2/issues/59", "tags": ["x_transferred"]}, {"url": "https://github.com/russellhaering/gosaml2/releases/tag/v0.7.0", "tags": ["x_transferred"]}]}]}}

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{"affected": [{"affectedData": [{"product": "github.com/russellhaering/gosaml2", "vendor": "n/a", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "report@snyk.io"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gosaml2_project:gosaml2:*:*:*:*:*:*:*:*", "matchCriteriaId": "01666B65-2166-4E89-9526-120CF01292E8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This affects all versions <0.7.0 of package github.com/russellhaering/gosaml2. There is a crash on nil-pointer dereference caused by sending malformed XML signatures."}, {"lang": "es", "value": "Esto afecta a todas las versiones del paquete github.com/russellhaering/gosaml2.&#xa0;Se presenta un fallo en la desreferencia de puntero null causada por el env\u00edo de firmas XML malformadas."}], "id": "CVE-2020-7731", "lastModified": "2026-06-17T03:25:20.687", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "report@snyk.io", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-30T16:15:07.547", "references": [{"source": "report@snyk.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/russellhaering/gosaml2/issues/59"}, {"source": "report@snyk.io", "url": "https://github.com/russellhaering/gosaml2/releases/tag/v0.7.0"}, {"source": "report@snyk.io", "tags": ["Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/russellhaering/gosaml2/issues/59"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/russellhaering/gosaml2/releases/tag/v0.7.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMRUSSELLHAERINGGOSAML2-608302"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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